Phase locking and bandwidth in a gyrotron oscillator |
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Authors: | P E Latham V L Granatstein and Y Carmel |
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Institution: | (1) Laboratory for Plasma Research, University of Maryland, 20742 College Park, Maryland, USA |
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Abstract: | For imaging radar and for satelitte and space communication (e.g. NASA's deep space network), it is important that the bandwidth be as large as possible. Here we derive a formalism for computing the phase locking bandwidth that can be achieved in a gyrotron oscillator while varying the beam voltage. As an example, a second harmonic TE02/03 gyrotron is considered. For this device, the effective bandwidth can be increased by a factor of about 3 compared with the fixed voltage case by allowing the beam voltage to change together with the input locking signal. |
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